Wind turbine generator system

Details Wind turbine generator system Wind turbine generator system

2006-08-22

2006-08-22

Schuberg, Darren (Department: 2834)

Prime-mover dynamo plants

Turbogenerators

C290S044000, C322S029000

Reexamination Certificate

active

07095132

ABSTRACT:
An object of the present invention is to minimize the torsional vibration caused on the shafting of the wind turbine genarator system so as to operate the windmill stably.A wind turbine genarator system according to the present invention, equipped with a synchronous generator connected to the shaft of a windmill, converter connected to the stator of the synchronous generator, and inverter connected to the converter and also to an electric power system, extracts the torsional vibration component of the shafting between the windmill and synchronous generator from the detected rotation speed of the synchronous generator, regulates the active component of the current command to the converter according to the vibration component, and controls so as to minimize the rotation speed variation of the synchronous generator.

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